FWIW, I thought I'd share several techniques that my firm uses for=20
rapid prototyping.
1. Visio. Since all our IA schematics/wireframes originate in Visio,=20
it's fairly easy to assign objects HTML links and export your Visio=20
deck as HTML. This is a great way to also test your IA thinking on test=20=
audiences and conduct wireframe usability reviews. Adobe Illustrator=20
and Macromedia Freehand can do similar stuff, but the true multi-page=20
Visio environment is easier to manage.
2. Flash. This is really our prototyping weapon of choice.